Question

If a vibrating object completes 80 vibrations in 4 sec. Calculate its frequency and time period.

Answer 1

Frequency is the number of vibrations produced in one second.Formula of frequency is no. of vibrations÷time.So,80÷4=20hz

Answer 2

Frequency is no. of vibration produced in one second.

80 ÷ 4 = 20Hz.


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